If worse comes to worse, just keep saving books on your wishlist. They have offered a 50% coupon deal during their 12 days of Christmas sales for the past few years
I like buying books directly from their site as the DRM isn't messed up like it can with Kobo. Don't think I've ever bought one from Sony. And I don't like the format that Fictionwise has. Wish they would go back to selling multi-format.